>inverters
>inverters
Half of you shitbrains are talking about reversing valves. That's a standard component on anything but bottom dollar garbage these days.
>>106319163
Modern systems have variable speed compressors and variable aperture solenoids. There are limits of course, but they can maintain efficiency at a variety of loads until you get out to the extremes.
>>106326380
>I bought the cheapest piece of shit and don't understand why it doesn't have features.
>>106322901
Ducted systems are the most efficient in new construction that's designed to account for the ductwork from the get go. They're also the most convenient in the Northern Midwest US because you can splice in whole home humidifiers in after the primary blower, and that makes the winters tolerable.
>>106332090
Modern actual luxury homes... not the faux luxury we put colored LED light strips in the bahtroom so it costs 800,000 dollars now you see being sold to nouveau riche retards, but actual quality homes are built to pretty high standards. In the vast majority of the US it's not worth building that much insulation because simply existing in the house and using things like computers, the lights, etc, all generate heat. If you insulated that well you'd be running AC in the winter.
The latest trend starting to show up in high end houses in cold regions is ground source heat pumps because the ground is warm year round and that means you can draw from it efficiently. Even outside of that, it's never worth building that degree of insulation because any high end property like this is going to have a backup generator with a propane tank big enough to run with everything in the house being used at full tilt for 2 weeks continuously. If you've got the money to build a real house, adding a proper generator system in a discreet outbuilding behind a hill to shield the noise and a buried propane tank to keep things from looking unsightly is a rounding error on the overall budget.
